The regrettable use of "all" in Section 7 of the GPL
rousskov at measurement-factory.com
Thu Feb 19 17:34:08 UTC 2004
On Thu, 19 Feb 2004, Mahesh T. Pai wrote:
> > Therefore, the distribution of all GPLed software is, at least in
> > the U.S., forbidden by the terms of the GPL, and should come to a
> > screeching halt. I have spoken.
> This is a logical fallcay. I fail to recall tht exact term. But the
> rule is this:-
> Statement 1:- X implies Y
> Statement 2:- Y implies Z
> Statement 1 and 2 does not mean that X implies Z.
AFAIK, it does under normal/traditional logic laws. Implication is
transitive: If X implies Y and Y implies Z, then X implies Z.
However, my understanding is that there is no consensus on this list
that X implies Y or that Y implies Z.
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